code: def hub_name(self):
      return self.data.hub_name
  
imports: import hashlib
  import os
  import time
  import json
  import uuid
  import yaml
  from easydict import EasyDict
  import paddlehub.env
label_desc: Use image node_id 3 for calling the CacheConfig obj's underlying member method code with example usage: obj.hub_name() and returns: self